SODIAL(R) 49 Style DIY Plastic Drive Toy Gears Set for RC Car Motor Product Name : Plastic Gear;Fit for : for RC Toy Size : Smallest One: 5 x 4.5mm/0.2" x 0.18"(H*D),Biggest One: 29 x 5.5mm/1.14" x 0.22"(D*H);Material : Hard Plastic Color : White Weight : 29g Package Content : 49( 2%)Pcs x Plastic Gear